--- Comment #8 from Philip Hazel <ph10@???> 2012-02-10 12:28:42 ---
On Fri, 10 Feb 2012, Petr Pisar wrote:
> I'm not sure if this is relevant and how Unicode defines it, but Greek has two
> variants of lower-case sigma (σ, ς) while there is only one upper-case Σ. If
> I were a Greek I would like to match bot of them.
This does seem to be covered in the Unicode SpecialCasing document.
> Regarding confusion of average user: Average (non-Greek) user cannot write
> upper-cased Greek letters so he does not need to deal with Greek letters
Indeed, but one doesn't want to make everybody else spend resources
checking special cases when it is not needed. And likewise one doesn't
want to get non-Germans tangled up with ß and "ss".